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A trianglular prims of glass is shown in...

A trianglular prims of glass is shown in the figure. A ray incident normally to one face is totally reflected. If `theta=45^(@)` the refractive index of glass is

A

`gt 1.41`

B

`=1.41`

C

`lt 1.41`

D

1.732

Text Solution

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The correct Answer is:
C
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